Mendeleev's Periodic Table (1869)can Be Explained by the Periodicity of the _____

question 31

Multiple Choice

Mendeleev's periodic table (1869) can be explained by the periodicity of the _____.

• A)​number of orbits around the nucleus
• B)​atomic radii of elements
• C)​atomic mass of elements
• D)​positive charge present in the nucleus of atoms
• E)​ground-state electron configurations of atoms

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